1452730725 has 36 divisors (see below), whose sum is σ = 2604050592. Its totient is φ = 774180000.

The previous prime is 1452730717. The next prime is 1452730757. The reversal of 1452730725 is 5270372541.

It is not a de Polignac number, because 1452730725 - 2³ = 1452730717 is a prime.

It is a super-2 number, since 2×1452730725² = 4220853118718051250, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1452730725.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 568200 + ... + 570750.

Almost surely, 2^1452730725 is an apocalyptic number.

1452730725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1452730725 is a deficient number, since it is larger than the sum of its proper divisors (1151319867).

1452730725 is a wasteful number, since it uses less digits than its factorization.

1452730725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5098 (or 5090 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 1452730725 is about 38114.7048394711. The cubic root of 1452730725 is about 1132.5612732370.

The spelling of 1452730725 in words is "one billion, four hundred fifty-two million, seven hundred thirty thousand, seven hundred twenty-five".